{"id":60024,"date":"2026-01-26T10:49:07","date_gmt":"2026-01-26T08:49:07","guid":{"rendered":"https:\/\/circutor.com\/?p=60024"},"modified":"2026-01-26T10:49:07","modified_gmt":"2026-01-26T08:49:07","slug":"fosfoquim-success-story-harmonic-filtering-and-efficiency-solution-in-electrolysis-plant","status":"publish","type":"post","link":"https:\/\/circutor.com\/en\/success-stories\/fosfoquim-success-story-harmonic-filtering-and-efficiency-solution-in-electrolysis-plant\/","title":{"rendered":"Fosfoquim success story: harmonic filtering and efficiency solution in electrolysis plant"},"content":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1768812433868{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<\/p>\n<h2>The technical challenge: Need for harmonic filtering due to critical distortion<\/h2>\n<p>The phosphate production plant in Talcahuano was using half-wave rectifiers that generated extreme harmonic distortion (THDi &gt; 30%). This lack of <strong>harmonic filtering<\/strong> caused:<\/p>\n<ul>\n<li><strong>Low power factor<\/strong>: Readings below 0.7 with a high risk of regulatory penalties.<\/li>\n<li><strong>System overload<\/strong>: The 3150 kVA transformer was operating at an actual capacity of only 2205 kVA (134% overload).<\/li>\n<li><strong>Instability<\/strong>: Presence of flicker and overheating in conductors and switchboards, threatening operational continuity.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1768812519259{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<\/p>\n<h2>The solution: Diagnosis and an advanced harmonic filtering and SVGm system<\/h2>\n<p>To stabilise the network, a comprehensive two-stage <strong>harmonic filtering<\/strong> strategy was implemented:<\/p>\n<ol>\n<li><strong>Measurements and diagnosis<\/strong>: Identification of dominant harmonics (5th, 7th, 11th, and 13th) under the Chilean NTCSD standard.<\/li>\n<li><strong>Technological intervention<\/strong>: Installation of a master <strong>harmonic filtering<\/strong> system with 22 modules configured to reduce distortion and optimise the power factor.<\/li>\n<\/ol>\n<p>[\/vc_column_text][vc_row_inner content_placement=&#8221;middle&#8221;][vc_column_inner width=&#8221;2\/3&#8243;][vc_column_text css=&#8221;.vc_custom_1768812563717{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<strong>AFQm active filters<\/strong> were used to eliminate non-visible distortions, along with <strong>SVGm <\/strong>static reactive power generators. The <strong>SVGm<\/strong> allows for precise real-time compensation, operating without being affected by the presence of harmonics in the installation.[\/vc_column_text][\/vc_column_inner][vc_column_inner width=&#8221;1\/3&#8243;][vc_single_image image=&#8221;59959&#8243; img_size=&#8221;medium&#8221; css=&#8221;.vc_custom_1768812595866{margin-left: 20px !important;}&#8221;][\/vc_column_inner][\/vc_row_inner][vc_column_text css=&#8221;.vc_custom_1768812698284{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;]<\/p>\n<h2>Impact of harmonic filtering on industrial efficiency<\/h2>\n<p>The implementation of <strong>harmonic filtering<\/strong> and reactive compensation delivered immediate, measurable results:<\/p>\n<ul>\n<li><strong>Power quality<\/strong>: THDi dropped from 42.5% to &lt;8%, and THDv stabilised in voltage (&lt;8%).<\/li>\n<li><strong>Power factor<\/strong>: Improved to &gt;0.95, eliminating penalties and optimising energy use.<\/li>\n<li><strong>Operational safety<\/strong>: Normalisation of conductor temperature and recovery of transformer capacity to 85% of safe use.<\/li>\n<li><strong>Compliance<\/strong>: Flicker (Pst and Plt) stabilised within the established legal limits.<\/li>\n<\/ul>\n<p>[\/vc_column_text][vc_column_text css=&#8221;.vc_custom_1768812752194{margin-top: 20px !important;margin-bottom: 20px !important;padding-top: 20px !important;padding-right: 20px !important;padding-bottom: 20px !important;padding-left: 20px !important;background-color: #ffeded !important;border-radius: 15px !important;}&#8221;]<\/p>\n<h2>Conclusions: Control and reliability through harmonic filtering<\/h2>\n<p>The integration of Circutor\u2019s <strong>harmonic filtering<\/strong> technologies allowed Fosfoquim to transform a critical system into a model of efficiency.<\/p>\n<p><strong>&#8220;This intervention ensures longer equipment service life, mitigation of financial risks, and full real-time visibility of consumption for the Maintenance Manager.&#8221;<\/strong>[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>[vc_row][vc_column][vc_column_text css=&#8221;.vc_custom_1768812433868{margin-top: 20px !important;margin-bottom: 20px !important;}&#8221;] The technical challenge: Need for harmonic filtering due to critical distortion The phosphate production plant in Talcahuano was using half-wave rectifiers that generated extreme harmonic distortion (THDi &gt; 30%). This lack of harmonic filtering caused: Low power factor: Readings below 0.7 with a high risk of regulatory penalties. System [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":59993,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[3527],"tags":[3585,3581],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fosfoquim success story: harmonic filtering and efficiency solution in electrolysis plant - CIRCUTOR<\/title>\n<meta name=\"description\" content=\"Fosfoquim success story: harmonic filtering and efficiency solution in electrolysis plant\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/circutor.com\/en\/success-stories\/fosfoquim-success-story-harmonic-filtering-and-efficiency-solution-in-electrolysis-plant\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Fosfoquim success story: harmonic filtering and efficiency solution in electrolysis plant - 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